. >> reporter: daly city officials say they do their best to stay ahead. but tonight they admit there are probably many more old pipes out there that are vulnerable. >> in towns all over the bay area. thank you for that. >>> so who is going to pay the cleaning bill? car owners whose auto insurance policies include comprehensive coverage are protected no matter where their cars were parked. they should file a claim immediately. drivers who don't have comprehensive should submit a claim to the city within 6 months. >> a major heist at a bay area museum. security guards watched helplessly on security cameras as thieves helped themselves. >> complete shock. you never think it's going to happen to your museum. >> reporter: a smash and grab museum heist straight out of a hollywood movie. >> what people think of is the thomas crown affair. >> reporter: it happened around midnight. thieves snuck on and forced their way into the california history gallery. >> we believe that the burglars knew what they were after. that they had planned for it. that they came prepar